21031633861

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{39371}}^1$

素因数の和:39529

約数の個数: 24

約数和(自身を含む): 25836221376

約数和(自身を除く): 4804587515

約数列:

[1, 7, 17, 67, 119, 469, 1139, 4489, 7973, 31423, 39371, 76313, 275597, 534191, 669307, 2637857, 4685149, 18464999, 44843569, 176736419, 313904983, 1237154933, 3004519123, 21031633861]

約数ペア:

[(1, 21031633861), (7, 3004519123), (17, 1237154933), (67, 313904983), (119, 176736419), (469, 44843569), (1139, 18464999), (4489, 4685149), (7973, 2637857), (31423, 669307), (39371, 534191), (76313, 275597)]